document.write( "Question 164069: \n" ); document.write( "
\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Factor out of the first two terms:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Factor out of the last two terms:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Factor out of each term:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Factor the second parentheses as the difference of two squares:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Use the zero-factor principle:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " \r\n" ); document.write( "Edwin